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Cushion|Natural|GIA

1.51ct F SI1 Cushion Natural Diamond

ID • F/SI1 • GIA 2235655108

Certificate GIA 2235655108

Diamond specifications and retailer prices

From $7,354 NZD
$4,138 USD
As of November 1, 2026
Save $6,546 NZD (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $13,900 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235655108. Listed at 13 retailers as of November 1, 2026, with prices from $7,354 to $13,900, a $6,546 spread on the same certified stone. MOH London lists it at $13,900. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.75°
Pavilion angle32.53°
OriginNatural
Grading LabGIA
CertificateGIA 2235655108
Dimensions6.49 × 6.46 × 4.25 mm
L/W Ratio1.00
Girdle conditionThick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.49 mm6.46 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235655108
Side View
Table 62.0%Crown 36.75°Girdle: STK-THKPavilion 32.53°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $13,900 NZD|Low: $7,354 NZD|High: $14,999 NZD|Avg: $9,476 NZD|-7.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 3$7,354 NZD
Retailer 12$7,536 NZD
Retailer 7$7,537 NZD
Retailer 9$8,115 NZD
Retailer 4$8,405 NZD
Retailer 13$8,442 NZD
Retailer 2$8,763 NZD
Retailer 8$8,975 NZD
Retailer 11$8,975 NZD
Retailer 10$9,278 NZD
Retailer 6$9,874 NZD
Retailer 5$12,753 NZD
MOH London$13,900 NZD

38 data points across 13 retailers

13 retailers$7,354 NZD to $13,900 NZD

A
Cheapest Retailer
-
$7,354 NZD
$4,138 USD
A
Retailer 2
-
$7,536 NZD
$4,240 USD
View
A
Retailer 3
-
$7,537 NZD
CA$5,890 CAD
View
A
Retailer 4
-
$8,115 NZD
$4,566 USD
View
A
Retailer 5
-
$8,405 NZD
$4,729 USD
View
A
Retailer 6
-
$8,442 NZD
$4,750 USD
View
A
Retailer 7
-
$8,763 NZD
£3,882 GBP
View
A
Retailer 8
-
$8,975 NZD
$5,050 USD
View
A
Retailer 9
-
$8,975 NZD
$5,050 USD
View
A
Retailer 10
-
$9,278 NZD
$5,220 USD
View
A
Retailer 11
-
$9,874 NZD
€5,291 EUR
View
Retailer 12
-
$12,753 NZD
$7,176 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
MOH London
722B21398 · Nov 2
$13,900 NZD
£6,158 GBP
View
12 more retailers have this diamond
Prices start from $7,354 NZDSave up to $6,546 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Cushion
$7,354 NZD